Finding the Fourth Proportional to 2,134,651,181.68, 2,945,657,791.74 and 1,299,183,414.40
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Solution
The fourth proportional to 2,134,651,181.68, 2,945,657,791.74 and 1,299,183,414.40 is: 1,792,775,222.65
Step by Step Solution
- Step 1: Write the proportion equation
2,134,651,181.68 : 2,945,657,791.74 = 1,299,183,414.40 : x - Step 2: Convert to fraction form
2,134,651,181.68/2,945,657,791.74 = 1,299,183,414.40/x - Step 3: Cross multiply
2,134,651,181.68x = 2,945,657,791.74 × 1,299,183,414.40 - Step 4: Simplify right side
2,134,651,181.68x = 3,826,949,747,526,737,408 - Step 5: Solve for x
x = 3,826,949,747,526,737,408/2,134,651,181.68 - Step 6: Final answer
x = 1,792,775,222.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.